nanocore | ac353acd9090c3683dcf6b122ea09a38bcb8aad4f274f2ecbde5ecb3a06036d2

Analysis

max time kernel
99s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
09/11/2022, 07:14

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General

Target
2e7479f852560f286ba859d87544ed34.exe
Size 1.0MB
Sample221109-h2nwraefe9
SHA256 ac353acd9090c3683dcf6b122ea09a38bcb8aad4f274f2ecbde5ecb3a06036d2
MD5 2e7479f852560f286ba859d87544ed34
SHA1 7508ba7e4146270bc43fafe3a688ff9295d3191f
SHA512 a3b1b0bc177d3fe9a231798e48431d3d1395f2fcc7d4e265dfd9575ac5cd6a43ab6ad4f28ae89f0a67e1cc970ce6895cf2b655dbe9764b50e49bf1a1547fc60e
SSDEEP 24576:1/haXFP0N2XlXDQBw0FOdNRSAgxIhH40Ni:6tg6XDq+dNRSa14Ki
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

tzitziklishop.ddns.net:1665
127.0.0.1:1665

Mutex

e31d2f93-6edd-4990-ae67-d643febe374b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-23T19:02:51.211959436Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1665
default_group
OCT11
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
e31d2f93-6edd-4990-ae67-d643febe374b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	2e7479f852560f286ba859d87544ed34.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2e7479f852560f286ba859d87544ed34.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	2e7479f852560f286ba859d87544ed34.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	2e7479f852560f286ba859d87544ed34.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1364	schtasks.exe
1784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1572	2e7479f852560f286ba859d87544ed34.exe
1572	2e7479f852560f286ba859d87544ed34.exe
1572	2e7479f852560f286ba859d87544ed34.exe
1572	2e7479f852560f286ba859d87544ed34.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1572	2e7479f852560f286ba859d87544ed34.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1572	2e7479f852560f286ba859d87544ed34.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1736 wrote to memory of 1572	1736	2e7479f852560f286ba859d87544ed34.exe	27
PID 1572 wrote to memory of 1364	1572	2e7479f852560f286ba859d87544ed34.exe	28
PID 1572 wrote to memory of 1364	1572	2e7479f852560f286ba859d87544ed34.exe	28
PID 1572 wrote to memory of 1364	1572	2e7479f852560f286ba859d87544ed34.exe	28
PID 1572 wrote to memory of 1364	1572	2e7479f852560f286ba859d87544ed34.exe	28
PID 1572 wrote to memory of 1784	1572	2e7479f852560f286ba859d87544ed34.exe	30
PID 1572 wrote to memory of 1784	1572	2e7479f852560f286ba859d87544ed34.exe	30
PID 1572 wrote to memory of 1784	1572	2e7479f852560f286ba859d87544ed34.exe	30
PID 1572 wrote to memory of 1784	1572	2e7479f852560f286ba859d87544ed34.exe	30

C:\Users\Admin\AppData\Local\Temp\2e7479f852560f286ba859d87544ed34.exe
"C:\Users\Admin\AppData\Local\Temp\2e7479f852560f286ba859d87544ed34.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\2e7479f852560f286ba859d87544ed34.exe
  "C:\Users\Admin\AppData\Local\Temp\2e7479f852560f286ba859d87544ed34.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1572
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD818.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1364
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDAB7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmpD818.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpD818.tmp
Size 1KB
SHA256 7827634a04c070f133cedf704ff795e2aab7738e6f3d6016681c3a2216885e17
MD5 95adf643d3d73f719f46e7ebbc58c042
SHA1 db2b2f5092e2aa99548e456e90787f3d03e639a9
SHA512 19697afbc2ef456edf8e0f5da8005f625b7538cf3df3729e58ffdfa85abc12fa92a885688a58433d70052b28cac528f56469a940ab0562c13b220bb25a68b9a0
MD5 SHA1 SHA512

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tmpDAB7.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpDAB7.tmp
Size 1KB
SHA256 11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
MD5 981e126601526eaa5b0ad45c496c4465
SHA1 d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA512 a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb
MD5 SHA1 SHA512

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memory/1572-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-78-0x0000000000910000-0x000000000091A000-memory.dmp

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memory/1572-92-0x0000000004940000-0x0000000004954000-memory.dmp

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memory/1572-91-0x0000000004990000-0x00000000049BE000-memory.dmp

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memory/1572-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-90-0x00000000048E0000-0x00000000048EE000-memory.dmp

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memory/1572-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-65-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-67-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-70-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-72-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1572-89-0x00000000048D0000-0x00000000048E4000-memory.dmp

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memory/1572-88-0x00000000048C0000-0x00000000048D0000-memory.dmp

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memory/1572-87-0x0000000004330000-0x0000000004344000-memory.dmp

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memory/1572-86-0x0000000004320000-0x000000000432C000-memory.dmp

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memory/1572-80-0x00000000009C0000-0x00000000009CA000-memory.dmp

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memory/1572-79-0x0000000000960000-0x000000000097E000-memory.dmp

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memory/1572-85-0x0000000004290000-0x000000000429E000-memory.dmp

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memory/1572-81-0x0000000001F80000-0x0000000001F92000-memory.dmp

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memory/1572-82-0x00000000020B0000-0x00000000020CA000-memory.dmp

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memory/1572-83-0x00000000020E0000-0x00000000020EE000-memory.dmp

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memory/1572-84-0x0000000002130000-0x0000000002142000-memory.dmp

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memory/1736-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

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memory/1736-58-0x00000000006E0000-0x00000000006EC000-memory.dmp

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memory/1736-56-0x0000000004D80000-0x0000000004E1E000-memory.dmp

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memory/1736-57-0x00000000009C0000-0x00000000009D8000-memory.dmp

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memory/1736-54-0x0000000000A70000-0x0000000000B7C000-memory.dmp

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memory/1736-60-0x00000000041D0000-0x0000000004216000-memory.dmp

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memory/1736-59-0x00000000054C0000-0x0000000005540000-memory.dmp

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